3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( [ function () { return 42; } ][ 0 ]() );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/m5qf4
function name:  (null)
number of ops:  9
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'var_dump'
    4     1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2Fm5qf4%3A4%240'
          2        INIT_ARRAY                                       ~1      ~0
    6     3        FETCH_DIM_R                                      ~2      ~1, 0
          4        INIT_DYNAMIC_CALL                                        ~2
          5        DO_FCALL                                      0  $3      
          6        SEND_VAR                                                 $3
          7        DO_ICALL                                                 
    8     8      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2Fm5qf4%3A4%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/m5qf4
function name:  {closure}
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E > > RETURN                                                   42
          1*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2Fm5qf4%3A4%240

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
186.14 ms | 1394 KiB | 15 Q